Yato has a fateful encounter with Hiyori, a human who tries to save him from getting run over by a bus.Hiyori is hit by the bus, but somehow avoids serious injury.Further, it seems she's undergone a strange change where she can remove her spirit from her corporeal body.Yato seems somehow involved or responsible for Hiyori's change.Could Hiyori be the divine weapon that Yato needs? Includes volumes 7-9.